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Ultrasonographic measurement of subarachnoid space and frontal horn width in healthy Iranian infants
IJCN-Iranian Journal of Child Neurology. 2011; 5 (1): 9-14
in English | IMEMR | ID: emr-131683
ABSTRACT
Ultrasonography is among the most general evaluating methods for central nervous system [CNS] assessment, especially for detecting extra axial collection via anterior fontanel. There are few studies showing values of this technique in normal developing infants for detection of subarachnoid space width. Association between age and sex and cerebrospinal fluid [CSF] spaces are controversial. Therefore, we conducted this study to evaluate the relationship between subarachnoid space and sex and age in Iranian infants. We used ultrasonography with a 7.5 MHZ linear probe to evaluate 74 healthy infants who were referred to our departments for other reason.s sinocortical width [SCW], craniocortical width [CCW], interhemispheric width [IHW] and frontal horn width [FHW] were evaluated. Data was collected an analyzed using STAT 9.1 software. Fifty four percent of the patients were male and 45% were female. Mean age of cases was 71 days. Mean SCW was 2.8 +/- 1.33 mm [5% and 95% were 1.1 and 5.8]. Mean CCW was 2.52 +/- 1.37mm [5% and 95% were 1.2-5.8]. Mean CCW was 2.52 +/- 1.37 mm [5% and 95% were 1.1 and 5.2mm, respectively] and mean IHW was 4.39 +/- 2mm [5% and 95% were 1.7 and 8mm, respectively]. Mean FHW was 2.9 +/- 1.09 mm in females and 3.52 +/- 1.34mm in males [5% and 95% were 1.4 and 5mm in females and 1.7 and 5.8 mm in males, respectively]. There was no significant difference in subarachnoid space width between boys and girls except for FHW which was wider in males than females. All spaces diameter correlated with age and were wider in older infants. Although our sample size was rather small for accurate conclusion, we found a normal range which was wider than western countries but similar studies conducted in China. Delayed maturation of arachnoid villi is one of the most important reasons of subarachnoid space widening in infants younger than one year which seems occur later in Iranian infants
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Index: IMEMR (Eastern Mediterranean) Language: English Journal: Iran. J. Child Neurol. Year: 2011

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Index: IMEMR (Eastern Mediterranean) Language: English Journal: Iran. J. Child Neurol. Year: 2011